• Connect via Bluetooth 4.0, 5.0 and 2.4 GHz • Up to 10 m range 360˚ coverage • Connect simultaneously to multiple devices • Aluminum alloy base Intelligently switch among multiple devices The combo intelligently connects to the working device. They pair multiple devices, and switch among them with ease. They simplify complicated cross-platform use and meet multi-tasking requirements.* Multimedia control With the Fn control key, you can perform shortcut operations on music playing, volume adjustment, Internet browsing, etc., saving you valuable time. Chiclet keys and scissor key structure for comfortable and accurate typing Chiclet keys, square with rounded corners, make every keystroke smooth and correct. Switch between Bluetooth 4.0, 5.0 and 2.4G The smart switch between Bluetooth 4.0, 5.0 and 2.4 GHz ensures stable wireless transmission. You can still use the combo regardless of USB port shortage or the loss of receiver. "Product dimension (L×W×H mm)" 459*134*44mm Product weight(g) TBD "Carton dimension (L×W×H mm)" 480*475*295mm PCS/CTN 20 Keyboard specification "Product dimension (L×W×H mm)" 362.5*119*19.84mm Transmission mode 2.4G 、BT4.0、BT5.0 Key type Membrane Key lifetime 5-million Power supply mode AAA*2 Max. working current(mA) 3mA Power button yes Receiver storage yes Product weight(g) 310g Keys 99 Key stroke(mm) 1.5±0.2mm Layout language US Working voltage(v) 1.5V Standby current(mA) 1mA Colors Dark grey Port USB Mouse specification "Product dimension (L×W×H mm)" 113*64*30mm Transmission mode 2.4G 、BT4.0、BT5.0 Working method Optical Power supply mode AA Alkaline battery Full travel(mm) 0.5±0.2mm Scroll wheel direction Two-way scrolling Max. acceleration(G) 10 Working voltage(V) 1.5 Receiver storage yes Product weight(g) 63g Ergonomics Buttons Left button, middle button, right button, BT button Power button Buttons life LeftRight button 3M times，Mid button 1M times